---
title: CTSubscriberDelegate
framework: coretelephony
role: symbol
role_heading: Protocol
path: coretelephony/ctsubscriberdelegate
---

# CTSubscriberDelegate

A protocol to handle changes to subscriber information.

## Declaration

```swift
protocol CTSubscriberDelegate
```

## Topics

### Handling Token Updates

- [subscriberTokenRefreshed(_:)](coretelephony/ctsubscriberdelegate/subscribertokenrefreshed(_:).md)

## See Also

### Subscriber information

- [CTSubscriber](coretelephony/ctsubscriber.md)
- [CTSubscriberInfo](coretelephony/ctsubscriberinfo.md)